Essays Tagged: "nacl"

Title: Separation by Filtration and Crystallisation. The first year 11 Chem prac write up... the structure is at least correct... :p

ass.- Glass rod.- 100mL Beaker (2)- 25mL graduated cylinder.- Filter paper- Boiling Chips- Matches- NaCl/C mixture (sodium chloride/Charcoal 4g.)- NaCl/CuCl^2 mixture (Sodium chloride/copper (II) chlo ... ide mixture, 8g.)- C^2H^5OH (Ethanol, Approx. 25L.)- Distilled WaterMethod:Part A1. Place 4g of the NaCl/C mixture into a 100mL beaker. Add about 15mL of distilled water. Stir for about 2 minutes.2. S ...

(2 pages) 24 1 4.0 Feb/2004

Subjects: Science Essays > Chemistry

How to balance a chemical equation, shown in an experiment, by Mathias Zollbrecht

CO(3) and HCl together. The reaction began and the product CO(2) came out as a gas. The residue was NaCl + H(2)O.4. ProcedureWe put Na(2)CO(3) on the one side of the glass and the HCl(aq) on the other ... . The water was sided out after one day in the baker and we could also calculate how much water and NaCl in the residue was left.5. Look on the paper behind.6. 1) Na(2)CO(3) + 2HCl = 2CO(2) + ...

(1 pages) 24 0 2.5 Apr/2004

Subjects: Science Essays > Chemistry

Investigation: How does the concentration affect the rate of a reaction?

odium thiosulphate solution with hydrochloric acid.Na2S2O3(aq) + HCL(aq) = S(s) = H2O(l) + SO2(g) + NaCl(s)(sodium thiosulphate + hydrochloric acid = sulphur + water + sulphur dioxide + sodium chlorid ...

(5 pages) 35 0 3.0 Jun/2005

Subjects: Science Essays > Chemistry

The environmental factors that effect turnip peroxidase

es were tested in lab. The changing of pH, substrate concentrations, temperature, and an inhibitor (NaCl) and the effects it hade on the enzyme turnip peroxidase. Enzymes are biological catalysts whic ... would that temperature will not effect activity.Salt is an electrolyte. Meaning the salt molecules (NaCl) will dissolve completely in water and individual and opposite charges will be a byproduct. Thu ...

(8 pages) 124 0 3.7 Oct/2006

Subjects: Science Essays > Environmental Science

Sodium Chloride

The molecule NaCl, otherwise known as table salt, was discovered many years ago. There was no actual records of w ... ese, where they used it for pharmaceutical reasoning. The Chinese did two different things with the NaCl, they had two methods of extracting NaCl and making use out of it which are the same as we use ... foods, healing of things, preserving foods, etc (Seaborg, page 79).The formula for the compound is NaCl, which has the name table salt, or Sodium Chloride. ( Chloride was di ...

(5 pages) 7 0 0.0 May/2001

Subjects: Science Essays > Chemistry


ans slightly soluble 2. Saponification: A. 1ml of soap solution + 1 ml of saturated NaCl solution.Here we found that there is the white ppt. at the bottom of the tube.And this kind of ... n the water. Since the soap in this test contains the sodium ion, so when it is added the saturated NaCl, it dissolves easily in the ether. That is the effect of the sodium ion. The sodium salt is alw ...

(5 pages) 15 0 5.0 Oct/2001

Subjects: Science Essays > Chemistry


Concentration Of NaCl Solution/%Mass Before/g +/- 0.01Mass After/g +/- 0.0100.0011.6411.8500.500 ... 3.0006.8205.9404.0015.7613.97Tab.1Tab.2Mass Change In PercentConcentration of NaCl in %Group 1Group 2Group 3Group 4Group 5Group 6Group 7Mean00.0001. ...

(1 pages) 23 0 3.0 Dec/2007

Subjects: Science Essays > Biology

InSitu Hybridization For MRNA Localization

eionized formamide to reduce thermal stability of bonds to allow a lower hybridization temperature, NaCl and sodium citrate to decrease electrostatic interactions between the two strands, EDTA to remo ... t al, 1991). A blocking solution, to remove of non specific binding, consisting of TRIS-HCl buffer, NaCl, and blocking reagent is applied to the slide(Smith, 2001). The slide is washed with immunologi ...

(3 pages) 5 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry

Essay & Research Project #2

arbonate + Hydrochloric acid → Sodium Chloride + Water + Carbon DioxideNa2CO3 + 2 HCl → 2 NaCl + H2O + CO2The collected carbon dioxide will therefore turn limewater cloudy. Limewater is a co ... en. For exampleSodium Hydroxide + Hydrochloric Acid → Sodium Chloride + WaterNaOH + HCl → NaCl + H2O7. Explain how salts are formed when acids are neutralized by alkalis.When acids are neutr ...

(4 pages) 12 0 0.0 Jun/2008

Subjects: Science Essays > Chemistry